Bühler technologies ModbusRTU TC-Double Série Notice De Montage page 18

TC-Double (+)
• Fan malfunc-
tion / fan out of
order
Error 22 • Moisture de-
tector 1 cable
break
Error 32 • Moisture de-
tector 2 cable
break
Error 40 • General error
temperature
sensor 1 (block
temperature)
Error 41 • Low temperat-
ure / short-cir-
cuit temperat-
ure sensor 1
Error 42 • Excess temper-
ature / short-
circuit temper-
ature sensor 1
Error 43 • Measurement
fluctuation
temperature
sensor 1
Error 50 • General error
temperature
sensor 2 (pre-
cooling stage
block temperat-
ure)
Error 51 • Low temperat-
ure / short-cir-
cuit temperat-
ure sensor 2
Error 52 • Excess temper-
ature / short-
circuit temper-
ature sensor 2
Error 53 • Measurement
fluctuation
temperature
sensor 2
18 Bühler Technologies GmbH
• Check fan
(blocked?)
• Check connec-
tion
• Check moisture
detector line
• Check moisture
detector
• Check moisture
detector line
• Check moisture
detector
• Possible sensor
failure
• Check temper-
ature sensor
connection
• Check temper-
ature sensor
connection
• Check temper-
ature sensor
connection
(Flashing)
• Possible sensor
failure
• Check temper-
ature sensor
connection
• Check temper-
ature sensor
connection
• Check temper-
ature sensor
connection
Status text Possible cause
H2o.1 • Moisture alarm
moisture de-
tector 1
init • Initialisation
phase
PuMP • Pumps deactiv-
ated
dt Active Delta T con-
trol only: The block
temperature is out-
side the defined
temperature range.
• Cooler is still in
the "break-in
phase"
• Fluctuating
ambient tem-
perature
• Insufficient
cooling capa-
city
• Excess/low
temperature
Action
• Dry
• Check condens-
ate trap
• Wait
• Reactive
pumps via
menu
• Wait to see if
the target tem-
perature will
be reached
• Check the am-
bient temper-
ature / power
supplied
• Process-re-
lated: Adjust
alarm limits
• see chapter
"Troubleshoot-
ing"
BX440021 ◦ 09/2021